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参数资料
| 型号： | PI5A100W |
| 厂商： | Pericom |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH QUAD SPDT 16SOIC |
| 产品变化通告： | Product Discontinuation Notice 11/Feb/2008 |
| 标准包装： | 48 |
| 功能： | 开关 |
| 电路： | 4 x SPDT |
| 导通状态电阻： | 10 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2 V ~ 6 V |
| 电流 - 电源： | 1µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
10
PS7012H
08/30/04
PI5A100
Precision, Wide-Bandwidth, Quad SPDT Analog Switch
Applications
Audio Muting Function
Figure 8 shows the PI5A100 in an audio card muting application.
The original problem was one of excessive popping/clicking noise
appearing when connecting disconnecting external loads, and at
poweron/off.ThePI5A100performsamutingfunctionbygrounding
the outputs at power on/off and during the transition time. The
32 headset impedance demands a very low and very flat switch-
on resistance to reduce THD and signal loss.
Figure 10: The PI5A100 momentarily mutes the stereo outputs by connecting them to ground during transition times.
Paralleling two sections of the PI5A100 produces a Ron of 2.5
with an unsurpassed
±0.5 flatness.
To handle AC signals it was necessary to power the device with
±3V provided by two Zener diodes: Z1 and Z2. The select and
Enable control signals are shifted by using twpo 2.5VZener diodes
Z3,Z4 and pull down resistors connected to -3V.
Vcc
GND
Select
J2
J1
Z1/Z2 - Dual SMT 3.0V Zener
32!
22k!
2.5V
-3V
Stereo Audio
Output
2.5V
Z3
Z4
Enable
Z1
Z2
+5V
-5V
-3V
Stereo Audio
Input
From DAC
10k
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PI5A100WE | 功能描述:模拟开关 IC Quad SPDT Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| PI5A100WEX | 功能描述:模拟开关 IC Quad SPDT Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| PI5A100WX | 制造商:Pericom Semiconductor Corporation 功能描述:Analog Switch Quad SPDT 16-Pin SOIC T/R |
| PI5A101 | 制造商:PERICOM 制造商全称:Pericom Semiconductor Corporation 功能描述:Precision Wide-Bandwidth Analog Switch |
| PI5A101Q | 制造商:Pericom Semiconductor Corporation 功能描述: |
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